Cheapest return flights from Dublin to Brussels in December from 100€

Best time to book flights for Dublin (DUB) to Brussels (BRU) flights at AirHint

AirHint found the following cheapest return flights from Dublin (DUB) to Brussels (BRU) in December 2025 (see full year).

Return flights

01 Dec - 12 Dec Ryanair direct
01 Dec - 06 Dec Ryanair direct
03 Dec - 12 Dec Ryanair direct
03 Dec - 06 Dec Ryanair direct
04 Dec - 12 Dec Ryanair direct
04 Dec - 06 Dec Ryanair direct
07 Dec - 12 Dec Ryanair direct
08 Dec - 12 Dec Ryanair direct
09 Dec - 12 Dec Ryanair direct
11 Dec - 12 Dec Ryanair direct
17 Dec - 03 Jan Ryanair direct
17 Dec - 02 Jan Ryanair direct
29 Dec - 13 Jan Ryanair direct
29 Dec - 15 Jan Ryanair direct
15 Dec - 03 Jan Ryanair direct
15 Dec - 02 Jan Ryanair direct
24 Dec - 13 Jan Ryanair direct
11 Dec - 01 Jan Ryanair direct
17 Dec - 01 Jan Ryanair direct
14 Dec - 03 Jan Ryanair direct

Also check the deals for one-way flights from Dublin to Brussels in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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